662901 has 8 divisors (see below), whose sum is σ = 890400. Its totient is φ = 438672.

The previous prime is 662899. The next prime is 662917. The reversal of 662901 is 109266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 662901 - 2¹ = 662899 is a prime.

It is a Curzon number.

662901 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295 + ... + 1188.

It is an arithmetic number, because the mean of its divisors is an integer number (111300).

2⁶⁶²⁹⁰¹ is an apocalyptic number.

It is an amenable number.

662901 is a deficient number, since it is larger than the sum of its proper divisors (227499).

662901 is a wasteful number, since it uses less digits than its factorization.

662901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 662901 is about 814.1873248829. The cubic root of 662901 is about 87.1932551667.

The spelling of 662901 in words is "six hundred sixty-two thousand, nine hundred one".